CN116825422A - Miniature transmission cable for intravascular operation - Google Patents
Miniature transmission cable for intravascular operation Download PDFInfo
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- CN116825422A CN116825422A CN202310311104.3A CN202310311104A CN116825422A CN 116825422 A CN116825422 A CN 116825422A CN 202310311104 A CN202310311104 A CN 202310311104A CN 116825422 A CN116825422 A CN 116825422A
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- transmission cable
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 120
- 230000002093 peripheral effect Effects 0.000 claims abstract description 46
- 238000005520 cutting process Methods 0.000 claims description 46
- 239000010410 layer Substances 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000012790 adhesive layer Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000001356 surgical procedure Methods 0.000 claims 10
- 239000003292 glue Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/048—Flexible cables, conductors, or cords, e.g. trailing cables for implantation into a human or animal body, e.g. pacemaker leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Endoscopes (AREA)
Abstract
The application relates to a miniature transmission cable for intravascular operation, which comprises a transmission core wire and a control core wire, wherein the transmission core wire comprises a transmission core wire, a loop core wire and a first sheath, a plurality of transmission core wires and loop core wires are respectively arranged, and the first sheath is wrapped on all the transmission core wires and all the loop core wires; the control wire core comprises a control wire core and a second sheath, the control wire core is provided with a plurality of control wires, and the second sheath wraps all the control wire cores; the first sheath is arranged in parallel with the second sheath, and the peripheral wall part of the first sheath is attached to the peripheral wall of the second sheath. The miniature transmission cable for intravascular operation can improve the convenience of splitting between the transmission cable core and the control cable core.
Description
Technical Field
The application relates to the technical field of transmission cables, in particular to a miniature transmission cable for intravascular operation.
Background
With the rapid development of intelligent manufacturing of high-end medical instruments, critical intelligent operation and accurate instructions are more important than those of precise medical instruments, and requirements on input and output signal flexible transmission cables of medical instruments matched with the intelligent operation and accurate instructions are more strict.
Referring to fig. 1, a conventional micro transmission cable for intravascular operation generally includes a transmission core 1, a control core 2, and an outer sheath 6, wherein the outer sheath 6 is wrapped around the transmission core 1 and the control core 2, so that the transmission core 1, the control core 2, and the outer sheath 6 are integrated, and the transmission cable can enter a blood vessel to transmit signals.
However, the outer sheath of such a transmission cable is wrapped around the transmission core and the control core at the same time, when the transmission core or the control core needs to be replaced, the outer sheath needs to be cut to separate the transmission core and the control core and replace a new transmission core or control core, which is inconvenient for the mutual separation between the transmission core and the control core, and therefore needs to be further improved.
Disclosure of Invention
In order to improve the convenience of detachment between a transmission wire core and a control wire core, the application provides a miniature transmission cable for intravascular operation.
The application provides a miniature transmission cable for intravascular operation, which adopts the following technical scheme:
the miniature transmission cable for intravascular operation comprises a transmission core wire and a control core wire, wherein the transmission core wire comprises a transmission core wire, a loop core wire and a first sheath, a plurality of transmission core wires and a plurality of loop core wires are respectively arranged, and the first sheath wraps all the transmission core wires and all the loop core wires; the control wire core comprises a control wire core and a second sheath, wherein a plurality of control wire cores are arranged, and the second sheath wraps all the control wire cores; the first sheath is arranged in parallel with the second sheath, and the peripheral wall part of the first sheath is attached to the peripheral wall of the second sheath.
Through adopting foretell technical scheme, through the peripheral wall laminating of first sheath is connected in the peripheral wall of second sheath for transmission core and control core form a whole, when needs carry out the dismantlement to transmission core or control core, utilize the instrument to force first sheath and second sheath to keep away from each other, with the laminating connection effect between the peripheral wall of separation first sheath and the peripheral wall of second sheath, just can separate transmission core and control core, improve the split processing convenience between transmission core and the control core.
Optionally, the laminating of the inner peripheral wall of second sheath is provided with a plurality of shielding silk threads that are used for shielding electromagnetic interference, all shielding silk threads wind the axis equipartition of second sheath, every shielding silk thread is the spiral winding setting along the length direction of second sheath.
By adopting the technical scheme, the shielding wires are uniformly distributed around the central axis of the second sheath by arranging the shielding wires, so that the possibility that the control core wires are affected by electromagnetic interference to normally transmit the control wire number can be reduced; on the other hand, the shielding silk thread is spirally wound on the inner peripheral wall of the second sheath, so that the control wire core can keep good flexibility.
Optionally, the outer peripheral wall of the first sheath is provided with a first cutting surface, the outer peripheral wall of the second sheath is provided with a second cutting surface, and the first cutting surface is in fit connection with the second cutting surface; the surface protrusion of first cutting face is provided with the connecting strip, the both ends of connecting strip are followed the length direction extension setting of first sheath, the second cutting face is seted up and is supplied the spread groove that the connecting strip pegged graft.
By adopting the technical scheme, the contact connection area between the first sheath and the second sheath can be increased by arranging the first cutting surface and the second cutting surface, so that the firmness of the joint connection between the first sheath and the second sheath is improved; the connecting strip is inserted into the connecting groove, and plays a role in quick positioning, so that the first cutting surface and the second cutting surface can be aligned quickly, and the attaching and connecting efficiency between the first sheath and the second sheath is improved; meanwhile, the connecting strip can further limit the second sheath, so that the possibility of dislocation caused by mutual sliding between the first sheath and the second sheath is reduced.
Optionally, the connecting groove is a dovetail groove, the shape of the connecting strip is matched with the shape of the connecting groove, and the connecting strip is an elastic strip.
Through adopting foretell technical scheme, through the setting of dovetail and elastic strip, when first sheath and second sheath are connected fixedly, aim at the spread groove and propelling movement with the connecting rod, the connecting rod can take place deformation and card into the spread groove to further improve the connection fastness between first sheath and the second sheath, reduce the possibility that the connecting rod breaks away from the spread groove.
Optionally, a first cavity is arranged in the connecting strip, and a first communication hole communicated with the first cavity is formed in the side wall, away from the first sheath, of the connecting strip; a second cavity is arranged in the second sheath, a second communication hole communicated with the second cavity is formed in the bottom wall of the connecting groove, and when the connecting strip is inserted into the connecting groove, the first communication hole is communicated with the second communication hole; the end face of the connecting strip is provided with an exhaust port communicated with the first cavity, and the exhaust port is provided with a closing piece for closing the exhaust port.
Through adopting the technical scheme, through the arrangement of the first cavity and the second cavity, after the connecting strip is inserted into the connecting groove, acting force which enables the first sheath and the second sheath to approach each other is applied to the first sheath and the second sheath, the acting force can squeeze the first cavity and the second cavity, and air in the first cavity and air in the second cavity are outwards discharged through the air outlet, so that negative pressure is formed in the first cavity and the second cavity; and then the connecting strip is tightly pressed in the connecting groove by external air pressure through the closing piece closing the air outlet, so that the connection firmness between the connecting strip and the connecting groove is further improved, and the possibility of mutual separation between the first sheath and the second sheath is reduced.
Optionally, a sliding groove penetrating through the connecting strip is formed in the side wall, close to the second cavity, of the air outlet, a plugging block inserted in the sliding groove in a sliding manner is fixed on the bottom wall of the connecting groove, and when the plugging block is attached to the side wall, far away from the second cavity, of the air outlet, the plugging block is plugged in the air outlet; the closure member includes the adhesive linkage, the adhesive linkage pack in the gas vent just the adhesive linkage is located the shutoff piece is kept away from one side of first cavity, the lateral wall of adhesive linkage with laminating between the lateral wall of gas vent.
Through adopting the technical scheme, through the arrangement of the plugging block and the bonding layer, after the air in the first cavity and the air in the second cavity are discharged outwards through the air outlet, the pressure is applied to one side of the second sheath close to the plugging block so as to enable the plugging block to slide to be attached to the side wall of the air outlet far away from the second cavity, the plugging block can be used for preliminarily plugging the air outlet, and the possibility that the first sheath or the second sheath is deformed to enable external air to reenter the first cavity or the second cavity is reduced; the sealing block is plugged at the exhaust port, and is filled at the exhaust port through the bonding layer, and the bonding layer can be bonded at the side wall of the exhaust port, so that the sealing block is plugged at the exhaust port, and the possibility that external gas flows into the first cavity or the second cavity again along the exhaust port is reduced.
Optionally, the adhesive layer laminating connect in the shutoff piece, the shutoff piece is close to the lateral wall of adhesive layer has been seted up and has been inlayed and have been established the groove, the adhesive layer is close to one side of shutoff piece has inlays and establishes the strip, inlay and establish the strip bonding and inlay and locate inlay and establish the groove.
Through adopting foretell technical scheme, through inlaying the setting of establishing the strip, after the adhesive linkage bonds in the gas vent, the inlaying of adhesive linkage establishes the strip and can bond and inlay and establish the groove to form wholly between messenger's shutoff piece and the adhesive linkage, improve the shutoff piece and the adhesive linkage to the closure effect of gas vent, reduce the shutoff piece and break away from the possibility of gas vent under the effect of second sheath deformation restoring force.
Optionally, heat conduction silica gel core strips are arranged between the transmission core wire and the loop core wire and between the adjacent loop core wires.
Through adopting foretell technical scheme, through the setting of heat conduction silica gel core strip, the heat between transmission heart yearn and the return circuit heart yearn or the heat between the adjacent return circuit heart yearn can transmit to heat conduction silica gel core strip, and rethread heat conduction silica gel core strip outwards diverges through first sheath to improve the radiating efficiency of transmission heart yearn and return circuit heart yearn.
Optionally, the side wall of the heat conduction silica gel core strip, which is close to the transmission core wire, and the side wall of the heat conduction silica gel core strip, which is close to the loop core wire, are arc surfaces, and the arc surfaces are attached to the peripheral wall of the transmission core wire or the peripheral wall of the loop core wire.
Through adopting foretell technical scheme, through the setting of arcwall face, the position that heat conduction silica gel core bar can make transmission core wire and the position of return circuit heart yearn comparatively easily keep, reduces the possibility that transmission core wire's position and return circuit heart yearn's position take place the skew.
Optionally, the transmission core wire is a silver-plated alloy copper core wire, a first insulating layer is wrapped on the peripheral wall of the transmission core wire, and the insulating layer is a PFA insulating layer.
By adopting the technical scheme, the silver-plated alloy copper core wire has the characteristics of high conductivity, high strength and the like, and can improve the signal transmission effect of the transmission wire core; the PFA insulating layer has the characteristics of corrosion resistance, stretching resistance, radiation resistance, easiness in processing and forming and the like, and can improve the radiation resistance effect of the integral structure.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the outer peripheral wall of the first sheath is attached to the outer peripheral wall of the second sheath, so that the transmission wire core and the control wire core form a whole, when the transmission wire core or the control wire core is required to be detached, the first sheath and the second sheath are forced to be away from each other by a tool so as to separate the attaching and connecting effect between the outer peripheral wall of the first sheath and the outer peripheral wall of the second sheath, the transmission wire core and the control wire core can be separated, and the convenience in detachment and processing between the transmission wire core and the control wire core is improved;
2. through the arrangement of the first cutting surface and the second cutting surface, the contact connection area between the first sheath and the second sheath can be increased by the first cutting surface and the second cutting surface, so that the firmness of the joint connection between the first sheath and the second sheath is improved; the connecting strip is inserted into the connecting groove, and plays a role in quick positioning, so that the first cutting surface and the second cutting surface can be aligned quickly, and the attaching and connecting efficiency between the first sheath and the second sheath is improved; meanwhile, the connecting strip can further limit the second sheath, so that the possibility of dislocation caused by mutual sliding between the first sheath and the second sheath is reduced;
3. through the arrangement of the first cavity and the second cavity, after the connecting strip is inserted into the connecting groove, acting force which enables the first sheath to be close to the second sheath is applied to the first sheath and the second sheath, the acting force can squeeze the first cavity and the second cavity, air in the first cavity and air in the second cavity are discharged outwards through the exhaust port, and accordingly negative pressure is formed in the first cavity and the second cavity; and then the connecting strip is tightly pressed in the connecting groove by external air pressure through the closing piece closing the air outlet, so that the connection firmness between the connecting strip and the connecting groove is further improved, and the possibility of mutual separation between the first sheath and the second sheath is reduced.
Drawings
FIG. 1 is a partial cross-sectional view of a transmission core and a control core embodied in the background art;
FIG. 2 is a partial cross-sectional view of embodiment 1 embodying a transmission core and a control core;
FIG. 3 is a partial cross-sectional view of embodiment 2 embodying a transmission core and a control core;
FIG. 4 is a partial cross-sectional view of embodiment 3 embodying a transmission core and a control core;
FIG. 5 is an enlarged view of embodiment 4 showing the connection bar and the connection groove;
FIG. 6 is an enlarged view of embodiment 5 embodying a first cavity and a second cavity;
FIG. 7 is a partial cross-sectional view of embodiment 5 alone embodying the connection structure between the first sheath and the second sheath;
fig. 8 is an enlarged view at a in fig. 7.
Reference numerals illustrate: 1. a transmission core; 11. a transmission core wire; 12. a loop core wire; 13. a first sheath; 131. a first cutting surface; 14. a connecting strip; 141. a first cavity; 142. a first communication hole; 143. an exhaust port; 144. a slip groove; 15. a first insulating layer; 16. a shielding layer; 2. a control wire core; 21. a control core wire; 22. a second sheath; 221. a second cutting face; 222. a connecting groove; 223. a second communication hole; 23. shielding wires; 24. a second cavity; 25. a second insulating layer; 3. an adhesive layer; 31. embedding strips; 4. a block; 41. a groove is embedded; 5. a thermally conductive silica gel core strip; 51. an arc surface; 6. an outer sheath.
Detailed Description
The application is described in further detail below with reference to fig. 2-8.
Example 1:
the embodiment of the application discloses a miniature transmission cable for intravascular operation.
Referring to fig. 2, a miniature transmission cable for intravascular operation includes a transmission wire core 1 and a control wire core 2, in this embodiment, one end of the transmission wire core 1 is used for connecting a miniature image head to transmit signals to the miniature image head, and one end of the control wire core 2 is used for connecting the miniature image head to control signals to the miniature image head.
Referring to fig. 2, the transmission core 1 includes a transmission core 11, a loop core 12, and a first sheath 13, where the transmission core 11 and the loop core 12 are provided with a plurality of transmission cores, and the first sheath 13 wraps all the transmission cores 11 and all the loop cores 12; the thickness of the first sheath 13 is between 0.0065mm and 0.0068mm, in particular, the thickness of the first sheath 13 is set to 0.0067mm; in this embodiment, the first sheath 13 is a PET sheath, and the PET has characteristics of no toxicity, high electrical insulation, oil resistance, dilute acid resistance, dilute alkali resistance, and the like, and can achieve good protection effects on the transmission core wire 11 and the loop core wire 12.
Referring to fig. 2, the inner peripheral wall of the first sheath 13 is adhesively fixed with a shield layer 16, and the thickness of the shield layer 16 is between 0.005mm and 0.009mm, specifically, the thickness of the shield layer 16 is set to 0.007mm; in this embodiment, the shielding layer 16 is a copper foil shielding layer 16; by the design, the copper foil can shield electromagnetic interference and improve stability of signal transmission of the transmission core wire 11 and the loop core wire 12.
Referring to fig. 2, the number of the transmission core wires 11 is set to 3, and the outer diameter of the transmission core wires 11 is between 0.03mm and 0.05mm, specifically, the outer diameter of the transmission core wires 11 is set to 0.04mm; in this embodiment, the transmission core wires 11 are silver-plated alloy copper core wires, and the outer peripheral wall of each transmission core wire 11 is wrapped with a first insulating layer 15, and in this embodiment, the thickness of the first insulating layer 15 is set to 0.02mm, and the first insulating layer 15 is a PFA insulating layer.
Referring to fig. 2, in the present embodiment, the number of the loop cores 12 is set to 8, and the outer diameters of all the loop cores 12 are set to be different, including 2 0.08mm loop cores 12, 1 0.06mm loop core 12, and 5 0.03mm loop cores 12; in this embodiment, all of the loop cores 12 are copper wires.
Referring to fig. 2,3 transmission core wires 11 are arranged in a triangle in a first sheath 13, a 0.06mm loop core wire 12 is arranged in a central position in the first sheath 13, and 2 0.08mm loop core wires 12 and 3 transmission core wires 11 are circumferentially arranged on the outer circumference side of the 0.06mm loop core wire 12; a plurality of filling areas are formed among the inner peripheral wall of the shielding layer 16, the outer peripheral wall of the transmission core wire 11 and the outer peripheral wall of the loop core wire 12, 5 loop core wires 12 with the diameter of 0.03mm are arranged in a one-to-one correspondence manner with the plurality of filling areas, and each loop core wire 12 with the diameter of 0.03mm is arranged in the corresponding filling area; so designed, a plurality of loop core wires 12 can keep the function of normally transmitting signals, and the loop core wires 12 with different outer diameters are arranged between the adjacent transmission core wires 11, so that gaps between the adjacent transmission core wires 11 are filled, the space in the first sheath 13 is fully utilized, the space occupation rate of the whole structure is greatly compressed, and the transmission core wires 1 can extend into blood vessels.
Referring to fig. 2, the control core 2 includes a control core 21 and a second sheath 22, in this embodiment, the control core 21 is provided with two groups, the second sheath 22 is wrapped around all the control cores 21, the thickness of the second sheath 22 is between 0.0065mm and 0.0068mm, and specifically, the thickness of the second sheath 22 is set to 0.0067mm; in this embodiment, the second sheath 22 is a PET sheath.
Referring to fig. 2, a shielding wire 23 for shielding electromagnetic interference is fixedly adhered to an inner circumferential wall of the second sheath 22, the shielding wire 23 is provided in plurality, specifically, the number of the shielding wires 23 is set to 33, and all the shielding wires 23 are uniformly distributed around a central axis of the second sheath 22; each shielding wire 23 is spirally wound along the length direction of the second sheath 22; the outer diameter of the shielding wire 23 is between 0.015mm and 0.025mm, in particular, the outer diameter of the shielding wire 23 is 0.02mm; in this embodiment, the shielding wires 23 are provided as copper wires.
Referring to fig. 2, the number of control cores 21 in each group is set to 7, the outer diameter of the control cores 21 is set to 0.02mm, and in this embodiment, the control cores 21 are also set to silver-plated alloy copper cores; each group of control cores 21 is provided with a second insulating layer 25, the second insulating layer 25 is wrapped around the corresponding 7 control cores 21, and in this embodiment, the thickness of the second insulating layer 25 is set to 0.02mm, and the second insulating layer 25 is a PFA insulating layer.
Referring to fig. 2, the central axis of the first sheath 13 is disposed in parallel with the central axis of the second sheath 22, and the outer circumferential wall portion of the first sheath 13 is bonded to the outer circumferential wall of the second sheath 22; in this embodiment, the outer peripheral wall of the first sheath 13 and the outer peripheral wall of the second sheath 22 are fixed by adhesion, specifically, glue (not shown in the figure) is coated between the outer peripheral wall of the first sheath 13 and the outer peripheral wall of the second sheath 22, and after the glue is solidified, the first sheath 13 and the second sheath 22 are adhered to each other and fixed.
The implementation principle of the embodiment 1 of the application is as follows: when the transmission wire core 1 or the control wire core 2 needs to be replaced, the first sheath 13 and the second sheath 22 are applied with acting forces far away from each other by using tools, and the acting forces can tear the bonding effect between the first sheath 13 and the second sheath 22, so that the transmission wire core 1 and the control wire core 2 can be separated, the mutual separation processing between the transmission wire core 1 and the control wire core 2 is facilitated, and the separation convenience of the overall structure is improved.
Example 2:
the embodiment of the application discloses a miniature transmission cable for intravascular operation.
Referring to fig. 3, an intravascular surgical micro-transmission cable according to an embodiment of the present application is different from embodiment 1 in that:
in the present embodiment, the number of the loop cores 12 is set to 4, and the outer diameter of each loop core 12 is set to 0.07mm; one of the loop core wires 12 is arranged at the central position of the first sheath 13, three transmission core wires 11 and the other three loop core wires 12 are circumferentially arranged around the peripheral wall of the loop core wire 12 positioned at the central position of the first sheath 13, and the three loop core wires 12 and the three transmission core wires 11 are arranged in a triangular shape; the outer peripheral wall of each loop core wire 12 is attached to the first insulating layer 15 of the outer peripheral wall of the adjacent transmission core wire 11.
Example 3:
the embodiment of the application discloses a miniature transmission cable for intravascular operation.
Referring to fig. 4, an intravascular surgical micro-transmission cable according to an embodiment of the present application is different from embodiment 1 in that:
a heat conduction silica gel core strip 5 is arranged between the outer peripheral wall of the first insulating layer 15 and the outer peripheral wall of the loop core wire 12 and between the outer peripheral walls of the adjacent loop core wires 12; the side wall of the heat conduction silica gel core strip 5 close to the first insulating layer 15 and the side wall close to the loop core wire 12 are arc-shaped surfaces 51, and the arc-shaped surfaces 51 are attached to the outer peripheral wall of the first insulating layer 15 or the outer peripheral wall of the loop core wire 12.
The implementation principle of the embodiment 3 of the application is as follows: the heat conduction silica gel core strip 5 can respectively improve the heat dissipation effect between the loop core wire 12 and the transmission core wire 11 and between the adjacent loop core wires 12, and reduce the possibility of overheat during signal transmission of the transmission core wire 11 or the loop core wire 12; on the other hand, the arc-shaped surface 51 of the heat-conducting silica gel core strip 5 can increase the contact area between the heat-conducting silica gel core strip 5 and the first insulating layer 15 and the contact area between the heat-conducting silica gel core strip 5 and the loop core wire 12, and reduce the possibility of shifting the position of the transmission core wire 11 and the position of the loop core wire 12.
Example 4:
the embodiment of the application discloses a miniature transmission cable for intravascular operation.
Referring to fig. 5, an intravascular surgical micro-transmission cable according to an embodiment of the present application is different from embodiment 1 in that:
the outer peripheral wall of the first sheath 13 is provided with a first cutting surface 131, the outer peripheral wall of the second sheath 22 is provided with a second cutting surface 221, the first cutting surface 131 is in fit connection with the second cutting surface 221, in this embodiment, the first cutting surface 131 and the second cutting surface 221 are fixed through adhesion, specifically, glue is coated between the first cutting surface 131 and the second cutting surface 221, and after the glue is solidified, the first cutting surface 131 is in fit connection with the second cutting surface 221; the first cutting surface 131 and the second cutting surface 221 can increase the bonding contact area between the first sheath 13 and the second sheath 22, thereby improving the connection firmness between the transmission core 1 and the control core 2.
Referring to fig. 5, a connecting strip 14 is fixed on the surface of the first cutting surface 131 in a protruding manner, two ends of the connecting strip 14 extend along the length direction of the first sheath 13, in this embodiment, the connecting strip 14 is an elastic strip, and the cross section of the connecting strip 14 is a dovetail structure; the second cutting surface 221 is provided with a connecting groove 222, the shape of the connecting groove 222 is matched with the shape of the connecting bar 14, and when the first cutting surface 131 is attached to the second cutting surface 221, the connecting bar 14 is inserted into the connecting groove 222.
The implementation principle of the embodiment 4 of the application is as follows: when the transmission wire core 1 is connected with the control wire core 2, glue is respectively coated on the first cutting surface 131 and the second cutting surface 221, then the first sheath 13 and the second sheath 22 are pressed by a tool, so that the first cutting surface 131 of the first sheath 13 is attached to the second cutting surface 221 of the second sheath 22, at the moment, the connecting strip 14 is pressed and deformed to be inserted into the connecting groove 222, and after the glue is solidified, the transmission wire core 1 and the control wire core 2 are integrated; when the connection between the transmission wire core 1 and the control wire core 2 is disassembled, an acting force which enables the first sheath 13 and the second sheath 22 to be far away from each other is applied to the first sheath 13 and the second sheath 22, the acting force can overcome the bonding effect between the first cutting surface 131 and the second cutting surface 221, and the connecting strip 14 is deformed to be separated from the connecting groove 222, so that the mutual separation between the transmission wire core 1 and the control wire core 2 is completed; the possibility of separation caused by degumming between the first sheath 13 and the second sheath 22 in the use process of the integral structure is reduced, and the connection firmness of the integral structure is further improved.
Example 5:
the embodiment of the application discloses a miniature transmission cable for intravascular operation.
Referring to fig. 6 and 7, the micro transmission cable for intravascular operation according to the embodiment of the present application is different from embodiment 4 in that:
the connecting strip 14 is internally provided with a first cavity 141, two ends of the first cavity 141 extend along the length direction of the connecting strip 14, the side wall of the connecting strip 14 far away from the first sheath 13 is provided with a plurality of first communication holes 142, all the first communication holes 142 are arranged at intervals along the length direction of the connecting strip 14, and each first communication hole 142 is communicated with the first cavity 141; an exhaust port 143 is formed in an end face of the connecting bar 14, and the exhaust port 143 is communicated with the first cavity 141.
Referring to fig. 6 and 7, a second cavity 24 is formed in the second sheath 22, two ends of the second cavity 24 extend along the length direction of the second sheath 22, a plurality of second communication holes 223 are formed in the bottom wall of the connecting groove 222, all the second communication holes 223 are arranged at intervals along the length direction of the second sheath 22, and each second communication hole 223 is communicated with the second cavity 24; all the first communication holes 142 are arranged in one-to-one correspondence with all the second communication holes 223, and when the connecting strip 14 is inserted into the connecting groove 222, each first communication hole 142 is communicated with the corresponding second communication hole 223; so designed, the first and second sheaths 13 and 22 are applied with a force that brings the first and second sheaths 13 and 22 toward each other, the force being capable of pressing the first and second sheaths 13 and 22 and forcing the first and second cavities 141 and 24 to deform and contract, and the gas in the first and second cavities 141 and 24 can be discharged outward through the gas outlet 143 and negative pressure is formed.
Referring to fig. 7 and 8, a sliding groove 144 penetrating through the connecting strip 14 is formed in the side wall of the exhaust port 143, which is close to the second cavity 24, a plugging block 4 is fixed on the bottom wall of the connecting groove 222, the plugging block 4 is slidably inserted into the sliding groove 144, and when the plugging block 4 is attached to the side wall of the exhaust port 143, which is far away from the second cavity 24, the plugging block 4 is plugged into the exhaust port 143; the side wall of the plugging block 4 close to the notch of the air outlet 143 is provided with a plurality of embedded grooves 41; the exhaust port 143 is mounted with a closure member for closing the exhaust port 143.
Referring to fig. 7 and 8, the closing member includes an adhesive layer 3, in this embodiment, the adhesive layer 3 is a glue layer, specifically, when the plugging block 4 plugs in the air outlet 143, glue is filled in the air outlet 143, and the glue is forced to fill in all the embedded grooves 41, after the glue is solidified, the glue layer is formed, after the glue filled in the embedded grooves 41 is solidified, the embedded strips 31 are formed, and the glue layer can be adhered to the side wall of the air outlet 143 and form a whole with the plugging block 4, so that the sealing block is closed in the air outlet 143, and the possibility that external air enters the first cavity 141 or the second cavity 24 along the air outlet 143 is reduced.
The implementation principle of the embodiment 5 of the application is as follows: after the connecting strip 14 is inserted into the connecting groove 222, an acting force for enabling the first sheath 13 and the second sheath 22 to approach each other is applied to the first sheath 13 and the second sheath 22, meanwhile, the acting force is gradually transferred from one end of the connecting strip 14 far away from the exhaust port 143 to one end of the connecting strip 14 near the exhaust port 143, and the acting force can squeeze air in the first cavity 141 and air in the second cavity 24 and force air in the first cavity 141 and air in the second cavity 24 to be exhausted outwards along the exhaust port 143; when the air is exhausted, the second sheath 22 is extruded to drive the plugging block 4 to be plugged in the air outlet 143 so as to prevent external air from entering; and then glue is filled into the air outlet 143, an adhesive layer 3 is formed after the glue is solidified, and the adhesive layer 3 and the plugging block 4 are plugged together in the air outlet 143, so that negative pressure is formed in the first cavity 141 and the second cavity 24, the connecting strip 14 is firmly sucked into the connecting groove 222, the connection firmness between the first sheath 13 and the second sheath 22 is further improved, and the possibility that the transmission wire core 1 and the control wire core 2 are separated when the whole structure is used is reduced.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A miniature transmission cable for endovascular surgery, characterized in that: the cable comprises a transmission cable core (1) and a control cable core (2), wherein the transmission cable core (1) comprises a transmission cable core (11), a loop cable core (12) and a first sheath (13), the transmission cable core (11) and the loop cable core (12) are respectively provided with a plurality of transmission cable cores, and the first sheath (13) is wrapped on all the transmission cable cores (11) and all the loop cable cores (12); the control wire core (2) comprises a control wire core (21) and a second sheath (22), wherein the control wire core (21) is provided with a plurality of control wires, and the second sheath (22) wraps all the control wire cores (21); the first sheath (13) is arranged in parallel to the second sheath (22), and the peripheral wall part of the first sheath (13) is attached to the peripheral wall of the second sheath (22).
2. The miniature transmission cable for endovascular surgery of claim 1, wherein: the inner peripheral wall laminating of second sheath (22) is provided with many shielding silk thread (23) that are used for shielding electromagnetic interference, all shielding silk thread (23) are around the axis equipartition of second sheath (22), every shielding silk thread (23) are all followed the length direction of second sheath (22) is spiral winding setting.
3. The miniature transmission cable for endovascular surgery of claim 1, wherein: the outer peripheral wall of the first sheath (13) is provided with a first cutting surface (131), the outer peripheral wall of the second sheath (22) is provided with a second cutting surface (221), and the first cutting surface (131) is in fit connection with the second cutting surface (221); the surface protrusion of first cutting face (131) is provided with connecting strip (14), the both ends of connecting strip (14) are followed the length direction extension setting of first sheath (13), second cutting face (221) are seted up confession connecting strip (14) grafting spread groove (222).
4. A miniature transmission cable for endovascular surgery as defined in claim 3, wherein: the connecting grooves (222) are dovetail grooves, the shape of the connecting strips (14) is matched with that of the connecting grooves (222), and the connecting strips (14) are elastic strips.
5. A miniature transmission cable for endovascular surgery as defined in claim 3, wherein: a first cavity (141) is arranged in the connecting strip (14), and a first communication hole (142) communicated with the first cavity (141) is formed in the side wall of the connecting strip (14) away from the first sheath (13); a second cavity (24) is arranged in the second sheath (22), a second communication hole (223) communicated with the second cavity (24) is formed in the bottom wall of the connecting groove (222), and when the connecting strip (14) is inserted into the connecting groove (222), the first communication hole (142) is communicated with the second communication hole (223); an exhaust port (143) communicated with the first cavity (141) is formed in the end face of the connecting strip (14), and a closing piece for closing the exhaust port (143) is arranged on the exhaust port (143).
6. The miniature transmission cable for endovascular surgery according to claim 5, wherein: a sliding groove (144) penetrating through the connecting strip (14) is formed in the side wall of the exhaust port (143) close to the second cavity (24), a plugging block (4) inserted in the sliding groove (144) in a sliding manner is fixed on the bottom wall of the connecting groove (222), and when the plugging block (4) is attached to the side wall of the exhaust port (143) far away from the second cavity (24), the plugging block (4) is plugged in the exhaust port (143); the closure member comprises an adhesive layer (3), the adhesive layer (3) is filled in the exhaust port (143) and is positioned on one side, far away from the first cavity (141), of the plugging block (4), and the side wall of the adhesive layer (3) is connected with the side wall of the exhaust port (143) in a fitting mode.
7. The miniature transmission cable for endovascular surgery of claim 6, wherein: the bonding layer (3) is attached and connected to the plugging block (4), the plugging block (4) is close to the side wall of the bonding layer (3) and is provided with an embedded groove (41), one side of the bonding layer (3) close to the plugging block (4) is provided with an embedded strip (31), and the embedded strip (31) is adhered and embedded in the embedded groove (41).
8. The miniature transmission cable for endovascular surgery of claim 1, wherein: and heat conduction silica gel core strips (5) are arranged between the transmission core wires (11) and the loop core wires (12) and between the adjacent loop core wires (12).
9. The miniature transmission cable for endovascular surgery of claim 8, wherein: the side wall of the heat conduction silica gel core strip (5) close to the transmission core wire (11) and the side wall of the heat conduction silica gel core strip close to the loop core wire (12) are arc-shaped surfaces (51), and the arc-shaped surfaces (51) are attached to the peripheral wall of the transmission core wire (11) or the peripheral wall of the loop core wire (12).
10. The miniature transmission cable for endovascular surgery of claim 1, wherein: the transmission core wire (11) is a silver-plated alloy copper core wire, a first insulating layer (15) is wrapped on the peripheral wall of the transmission core wire (11), and the insulating layer is a PFA insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311104.3A CN116825422B (en) | 2023-03-18 | 2023-03-18 | Miniature transmission cable for intravascular operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311104.3A CN116825422B (en) | 2023-03-18 | 2023-03-18 | Miniature transmission cable for intravascular operation |
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| Publication Number | Publication Date |
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| CN116825422A true CN116825422A (en) | 2023-09-29 |
| CN116825422B CN116825422B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310311104.3A Active CN116825422B (en) | 2023-03-18 | 2023-03-18 | Miniature transmission cable for intravascular operation |
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| CN201918187U (en) * | 2010-12-30 | 2011-08-03 | 上海易初电线电缆有限公司 | Medical blood-oxygen operation scalpel cable |
| CN106098164A (en) * | 2016-07-30 | 2016-11-09 | 江苏远方电缆厂有限公司 | A kind of flat insulated aerial cable |
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| Publication number | Publication date |
|---|---|
| CN116825422B (en) | 2024-05-24 |
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